1)soil organic carbon density土壤有机碳密度
1.It is vital to estimate soil organic carbon density(SOCD)and its storage more accurately on natural secondary Pinus tabulaeforims forest land at Huoditang valley in Qinling mountains so that carbon balance of whole forest ecosystem could be better understood.【目的】精确估计火地塘天然次生油松林土壤有机碳密度和储量。
2.Based on a soil database from the soil sampling of Jiangxi by GPS in 2006, topsoil organic carbon density was calculated.根据2006年江西省各县市典型土壤GPS定点采样样点的理化分析数据计算出有机碳密度并进行空间插值,利用江西省第二次土壤普查相关数据建立土壤空间数据库,结合各土壤类型分布面积,估算表层(0~20cm)土壤有机碳密度和储量,并探讨其空间分布特征。
3.The soil organic carbon density and storage of Chongqing municipality was estimated based on the data of 1411 soil profile of Chongqing from the second soil survey of China, using the soil map (1∶250000), land use status quo map and district map of Chongqing.基于重庆市第二次土壤普查的1411个土壤剖面数据,结合重庆市土壤图、土地利用现状图和行政区划图,在地理信息系统技术的支持下,对重庆市土壤有机碳密度及储量进行了估算,同时引入有机碳丰度指数这一指标,对有机碳在不同土壤、不同区域以及不同景观中的分布特征进行了分析。
英文短句/例句
1.Researches on Soil Organic Carbon Density and Carbon Sequestration Effects in the Farmland of Yangtze Delta;长三角农田土壤有机碳密度及碳收集效应研究
2.Soil organic carbon density of 4 forest types in Jinyun mountain of Chongqing重庆缙云山典型林分土壤有机碳密度特征
3.Study on Soil Organic Carbon Density of Main Plantations in the Dabashan Forest Areas大巴山林区主要人工林土壤有机碳密度的研究
4.Study on Soil Organic Carbon Densities of Artificial Pinus massoniana in Sichuan Province四川省马尾松人工林土壤有机碳密度研究
5.Analysis of Soil Organic Carbon Density in the Lithoid Mountainous Area in North China:A Case Study in Miyun County北方石质山区表层土壤有机碳密度特征分析——以密云县为例
6.Land Degradation and Soil Organic Carbon Density Change in the Liusha Basin;流沙河流域土地退化与土壤有机碳密度变化关系
7.Study on Soil Organic Carbon Density under Different Land Use Types in Central Hilly Area of Hunan Province湘中丘陵区不同土地利用方式下土壤有机碳密度
8.Spatial Distribution of Soil Organic Carbon Density in Anhui Province Based on GIS基于GIS的安徽省土壤有机碳密度的空间分布特征
9.Main natural factors controlling soil organic carbon density in the uplands of Northeast China东北地区旱地土壤有机碳密度的主控自然因素研究
10.FACTORS AFFECTING VARIATION OF SOIL ORGANIC CARBON DENSITY IN YUNNAN-GUIZHOU-GUANGXI REGION滇黔桂地区土壤有机碳密度变异的影响因素研究
11.Soil Organic Carbon Density in Plantations of Hilly Region in the Western Sichuan川西低山丘陵区主要人工林土壤有机碳密度研究
12.Content and Density Characteristics of Soil Organic Carbon in Typical Landscapes of Subtropical Region亚热带典型景观单元土壤有机碳含量和密度特征
13.Contents and Densities of Soil Organic Carbon in Urban Soils in Different Function Areas of Kaifeng开封市不同功能区城市土壤有机碳含量与密度分析
14.Temperature Sensitivity of Soil Respiration and Soil Organic Carbon Decomposition Rate;土壤呼吸温度敏感性及土壤有机碳分解速率的研究
15.THE SPATIAL-TEMPORAL DYNAMIC CHANGE AND SIMULATION OF COUNTY-SCALE PADDY SOIL ORGANIC CARBON IN RED SOIL HILLY REGION县域尺度红壤丘陵区水稻土有机碳模拟
16.Effects of Organic Material and Temperature and Soil Moisture on Organic Carbon Decomposition of Black Soil;有机物料、温度和土壤水分对黑土有机碳分解的影响
17.Modeling soil organic carbon storage and dynamics in croplands of the upperstream watershed of Miyun Reservoir in north China密云水库上游地区农田土壤有机碳储量及变化模拟
18.Effect of Soil Erosion on Soil Organic Carbon in Chinese Loess Plateau;黄土高原坡耕地土壤侵蚀对土壤有机碳的影响
相关短句/例句
Total organic carbon density土壤总有机碳密度
3)Water-soluble organic carbon density土壤水溶性有机碳密度
4)soil organnic carbon density(SOCD)土壤有机碳密度(SOCD)
5)Soil labile organic carbon density土壤活性有机碳密度
6)soil inorganic carbon density土壤无机碳密度
1.This paper statistically calculated soil inorganic carbon stock and soil inorganic carbon density for 0~20,0~100,0~180 cm depth in the Yangtze Delta region based on 1∶250 000 multi-purpose regional geochemical survey and interrelated research by ARCGIS9.0,对长江三角洲地区0~20、0~100、0~180 cm深度土壤无机碳密度及储量做出实测统计。
延伸阅读
土壤有机胶体分子式：CAS号：性质：又称腐殖质胶体(humus colloid)，由土壤中动植物残体经微生物分解后又重新合成的产物所组成。主要有腐殖质，也有一些木质素、蛋白质、纤维素、树脂等化合物。
